Example usage for #11

verybadcat · Jan 6, 2019 · 1158d89 · 1158d89
1 parent 1ebba29
commit 1158d89
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Showing 2 changed files with 16 additions and 5 deletions.
diff --git a/CSharpMath.NuGetPackageTests.CSharp/CSharpMath.NuGetPackageTests.CSharp/MainPage.xaml b/CSharpMath.NuGetPackageTests.CSharp/CSharpMath.NuGetPackageTests.CSharp/MainPage.xaml
@@ -6,7 +6,7 @@
              xmlns:skia="clr-namespace:SkiaSharp.Views.Forms;assembly=SkiaSharp.Views.Forms"
              x:Class="CSharpMath.NuGetPackageTests.CSharp.MainPage">
     <StackLayout>
-        <skia:SKCanvasView x:Name="canvas"/>
-        <Button x:Name="b"/>
+        <skia:SKCanvasView x:Name="canvas" VerticalOptions="FillAndExpand"/>
+        <math:MathKeyboard x:Name="b"/>
     </StackLayout>
 </ContentPage>
diff --git a/CSharpMath.NuGetPackageTests.CSharp/CSharpMath.NuGetPackageTests.CSharp/MainPage.xaml.cs b/CSharpMath.NuGetPackageTests.CSharp/CSharpMath.NuGetPackageTests.CSharp/MainPage.xaml.cs
@@ -9,10 +9,21 @@ namespace CSharpMath.NuGetPackageTests.CSharp
 {
 	public partial class MainPage : ContentPage
 	{
-		public MainPage()
-		{
-			InitializeComponent();
+    public MainPage() {
+      InitializeComponent();
+      global::SkiaSharp.Views.Forms.SKCanvasView canvasView = canvas;
+      CSharpMath.Forms.MathKeyboard keyboard = b;
 
+      var painter = new CSharpMath.SkiaSharp.MathPainter
+      { /*set all properties aside from LocalTypefaces, FontSize, LineStyle,
+          MathList, LaTeX and Source (these are ignored)*/ };
+      keyboard.RedrawRequested += (sender, e) => canvasView.InvalidateSurface();
+      canvasView.PaintSurface += (sender, e) => {
+        e.Surface.Canvas.Clear();
+        //for any DrawDisplay overload, arguments after canvas are the same as Draw
+        CSharpMath.SkiaSharp.MathPainter.DrawDisplay(painter, keyboard.Display, e.Surface.Canvas);
+        keyboard.DrawCaret(e.Surface.Canvas, CSharpMath.Rendering.CaretShape.IBeam);
+      };
 		}
 	}
 }